Chronology of Simpson's known movements during the Second World War:
30 August 1941. Left Britain and sailed for Singapore.
7 November 1941. Arrived Singapore
26 November 1941. Posted to Kluang, Malaya
25 January 1942. Returned to Singapore.
11 February 1942. Sailed from Singapore to Batavia.
13 February 1942. Arrived Batavia.
28 February 1942-8 March 1942. Travels through various places in Batavia: Bandung, Buitenzorg, Soekaboemi, Oedjung Boegel, and Tjisoeroepan.
9 March 1942. Arrived at No. 1 Area General Hospital, Bandung.
8 April 1942. Arrived at No. 1 Area General hospital, Tjimahi, near Bandung.
June 1942. Arrived at Tjimahi Military Hospital, which then became Tjimahi POW Camp, also known as Baros-1.
July 1942. Moved to another POW camp at XV Infantry Battalion Barracks, Bandung.
October 1942. Moved to Batavia Bicycle Camp, Batavia.
December 1942. Transferred to Glodok Prison, Batavia.
28 January 1943. Transferred from Glodok Prison to Tandjong Priork, Batavia.
24 February 1943. Returned to Batavia Bicycle Camp.
25 February 1943. Left Java on board SS Kinta bound for Singapore.
2 March 1943. Arrived at Changi, Thailand.
11 March 1943. Moved to Kanchanaburi Burma Thailand Railroad Work Camp, Thailand.
3 April 1943. Moved from Kanchanaburi to Chunkai Burma Thailand Railroad Work Camp, Thailand.
12 June 1943. Returned to Kanchanaburi